Heatwise Studio vs OutBox Gym
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Heatwise Studio
Book your next sauna session with this app. Browse studio locations, view class schedules, and manage your reservations. Purchase classes and workshops, and update your account details all in one place.
- Find and book sauna sessions
- View studio locations
- Check class schedules
- Review existing reservations
- Purchase classes and workshops
- Manage your account
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The official App of Heatwise. Download the App today to find and book your next shvitz. From the App you can view studio locations and class schedules, review existing reservations, purchase classes and workshops, manage your account and more. Discover more about Heatwise @heatwiseyoga on Instagram.
OutBox Gym
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Download the Outbox App today to plan and schedule your classes! From this mobile App, you can view class schedules and sign up for classes as well as view the studio’s location. Optimize your time and maximize the convenience of signing up for classes from your device! Download this App today!
Screenshots
Verdict
The clearest difference is update cadence: OutBox Gym at weekly against Heatwise Studio's every 4 weeks. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Heatwise Studio ships an update every 4 weeks, OutBox Gym weekly. The most recent releases landed on October 29, 2026 and October 2, 2026 respectively.
| Parameter | Heatwise Studio | OutBox Gym |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (703 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 703 — better | — |
| Update frequency | Every 4 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 38 MB | 191 MB |
| Age rating | 4+ | 4+ |
| Developer | Heatwise | OutBox Gym |
In-app purchases
Heatwise Studio
No in-app purchases
OutBox Gym
No in-app purchases
Questions
Is Heatwise Studio free?
Is OutBox Gym free?
Do Heatwise Studio or OutBox Gym have ads?
Which is updated more often, Heatwise Studio or OutBox Gym?
Other comparisons
